Boots – shoes – and leggings
Patent
1987-04-23
1989-10-24
Williams, Jr., Archie E.
Boots, shoes, and leggings
3649263, 3649274, 364939, 3649394, 364521, 340749, 340750, 340799, G06F 3153, G06F 1310, G06F 944, G06F 1566
Patent
active
048766631
ABSTRACT:
A virtual cathode ray tube device is used in a video graphics system having a source of data and a visual display device. This virtual CRT device includes a plurality of buffers, a plurality of VDRAMs, each of said VDRAMs having an internal shift register, a plurality of external shift registers, first apparatus for transferring data from said source of data to said buffers, second apparatus for transferring data from said buffers to said VDRAMs, third apparatus for transferring data from each of said VDRAMs to its internal shift register, and a fourth apparatus for transferring data from said internal shift registers to said plurality of external shift registers at a first rate. A fifth apparatus transfers data from said plurality of external shift registers to said visual display device at a second rate, said second rate being greater than said first rate.
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Andrews Malcolm
Williams Jr. Archie E.
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